@font-face {
  font-family: 'icomoon';
  src: url('fonts/icomoon.eot?k9e992');
  src: url('fonts/icomoon.eot?k9e992#iefix') format('embedded-opentype'),
    url('fonts/icomoon.ttf?k9e992') format('truetype'),
    url('fonts/icomoon.woff?k9e992') format('woff'),
    url('fonts/icomoon.svg?k9e992#icomoon') format('svg');
  font-weight: normal;
  font-style: normal;
  font-display: block;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

a {
  text-decoration: none;
}

i {
  font-style: normal;
}

li {
  list-style: none;
}
body{
  background-color: #f3f5f7;
}
input {
  background: none;
  outline: none;
  border: 0px;
}

.w {
  width: 1200px;
  margin: 0 auto;
}

.clearFix:after,
.clearFix:before {
  content: "";
  display: table;
}

.clearFix:after {
  clear: both;
}

.clearFix {
  /* IE6 7专用 */
  *zoom: 1;
}


.header {
  height: 42px;
  margin-top: 30px;
  margin-bottom: 30px;
}

.h-float {
  float: left;
}

.logo {
  height: 42px;
  width: 193px;
}

.logo a {
  position: relative;
  display: block;
  height: 42px;
  width: 193px;
  background: transparent url("./images/logo.png") no-repeat;
  text-indent: -9999px;
  overflow: hidden;
}

.nav {
  margin-left: 35px;
  height: 42px;
}

.nav li {
  float: left;
  font: 18px/22px "Microsoft YaHei";
  margin-right: 35px;
  padding: 10px;
}

/* .nav li:first-child {
  border-bottom: 2px solid #00a4ff;
} */
.nav li:hover {
  border-bottom: 2px solid #00a4ff;
}

.search {
  width: 410px;
  height: 42px;

}

.search span {
  float: left;
  display: inline-block;
  width: 50px;
  height: 42px;

  font-family: "icomoon";
  color: white;
  font-size: 20px;
  line-height: 42px;
  text-align: center;

  background-color: #00a4ff;
}

.search input {
  float: left;
  height: 42px;
  width: 360px;
  border: 2px solid #00a4ff;
  border-right: 0;
  padding-left: 5px;
}

.user-info {
  margin-left: 25px;
  height: 42px;
}

.user-avatar {
  display: inline-block;
  width: 30px;
  height: 30px;
  margin: 5px;
  vertical-align: middle;
}

.user-avatar img {
  width: 100%;
  height: 100%;
}

.user-name {
  display: inline-block;
  height: 42px;
  line-height: 42px;
  vertical-align: middle;
}

.banner {
  height: 420px;
  background: #1c036c top center url("./images/banner.png") no-repeat;
}

.course-list {
  width: 190px;
  height: 420px;
  color: white;
  font-size: 12px;
  float: left;
  background-color:rgba(19,1, 75, 0.6);
}

.course-list ul {
  margin-top: 10px;
}

.course-list li {
  height: 44px;
  line-height: 44px;
  padding-left: 10px;
}

.course-list li::after {
  content: ">";
  float: right;
  margin-right: 10px;
}

.banner-container {
  /*  */
}
.course-list li:hover {
  color: #02a4ec;
}
.my-course{
  width: 230px;
  height: 300px;
  margin-top: 50px;
  float:right;
  background-color: #ffffff;
}
.my-course ul{
  padding:0 20px;
}
.my-course-title{
  background-color: #9bceea;
  height: 50px;
  text-align: center;
  line-height: 50px;
  font-weight: 600px;
  color: white;
}
.my-course li{
 border-bottom: 1px solid #b7b7b7 ;
 height: 60px;
 padding-top: 13px;
}
.my-course li p:nth-child(-2n+1){
  font-size: 16px;
  color: black;
}
.my-course li p:nth-child(2n){
  font-size: 12px;
  color: #b7b7b7 ;
}
.my-coulse-footer{
  border: 2px solid #22b0ff;
  text-align: center;
  height: 50px;
  line-height: 50px;
  margin-top: 5px;
  font-weight: 600px;
}
.suggest{
  height: 70px;
  border-bottom: 1px solid #dcdee0;
  box-shadow: 0px 2px 100px 1px #dcdee0;
}
.suggest-list {
  float: left;
}
.suggest-list li{
  float: left;
  height: 70px;
  line-height: 70px;
  margin: 0 20px;
}
.suggest-list li:first-child{
  color: #42b2ff;
  font-weight: 600;
}
.suggest-list span{
  float: left;
  color: #b7b7b7 ;
  height: 70px;
  line-height: 70px;
}
.hobby-eidt{
  float: right;
  height: 70px;
  line-height: 70px;
  margin-right: 20px;
  font-size: 12px;
  color: #42b2ff;
}

.recommend-title{
  float: left;
  height: 75px;
  line-height: 75px;
  font-size: 16px ;
}
.recommend-all a{
  float: right;
  height: 75px;
  line-height: 75px;
  font-size: 12px ;
  color: #b7b7b7;
  margin-right: 20px;
}
.recommend-card{
  float: left;
  width: 230px;
  height:285px;
  margin-right: 15px;
  margin-bottom: 15px;
  position: relative;
}
.recomend-label{
  position: absolute;
  right: -1px;
  top: 5px;
}
.recommend-body{
  width: 1225px;
}
.recommend-image:nth-child(2) img{
  height: 155px;
  width: 230px;
}
.recommend-card-message{
  padding: 25px;
}
.recommend-card-message h4{
  font-size: 14px;
  font-weight: 400;
}
.recommend-card-message p{
  margin-top: 10px;
  color: #b7b7b7;
  font-size: 12px;
}
.recommend-card-message  p span{
  color: #ff7c2d;
}

.couser-text{
  width: 227px;
  font-size: 16px;
}
.couser1-title{
  height: 75px;
}
.couser1-list{
  padding-left:m ;
  float: left;
}
.couser1-list ul{
  text-align: center;
  margin-left: 205px;
}
.couser1-list li{
  display: inline-block;
  height: 75px;
  width: 100px;
  line-height: 75px;
  text-align: center;
  font-size: 14px;
  color: #b7b7b7;
}
.couser1-list li:first-child{
  color: #00a4ff;
}
.cousr1-introduction{
  float: left;
}
.cousr1-body{
  float: right;
}
.cousr1-introduction img{
  height: 392px;
  width: 227px;
}
.cousr1-introduction-header img{
  width: 965px;
  height: 100px;
}
.cousr1-introduction-body{
  margin-top: 22px;
}
.cousr1-introduction-body li{
  float: left;
}
.courser-container{
  width: 1225px;
}
.cousr1-introduction-body{
  width: 980px;
}
.footer{
  height: 420px;
  background-color: #fff;
}
.footer-left{
  margin-top: 25px;
  float: left;
  width: 472px;
}
.footer dl{
  float: left;
  margin-top: 25px;
}
.footer-logo{
  margin-left: 20px;
}
.copyright{
  margin:20px;
  font-size: 12px;
  color: #b7b7b7;
}
.footer-left button{
  border: 2px solid #00a4ff;
  width: 120px;
  font-size: 16px;
  padding: 10px;
  margin-left: 20px;
  background-color: white;
  font-weight: 200px;
  color: #00a4ff;
}
.footer dt{
  font-size: 16px;
  color: #b7b7b7;
}
.footer dd a{
  font-size: 12px;
  color: black;
}
.footer dl{
  margin-left: 155px;
}